US6151138A - Image reading system - Google Patents
Image reading system Download PDFInfo
- Publication number
- US6151138A US6151138A US08/932,702 US93270297A US6151138A US 6151138 A US6151138 A US 6151138A US 93270297 A US93270297 A US 93270297A US 6151138 A US6151138 A US 6151138A
- Authority
- US
- United States
- Prior art keywords
- image
- image reading
- reading apparatus
- information processing
- processing terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00405—Output means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
- H04N1/00236—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server using an image reading or reproducing device, e.g. a facsimile reader or printer, as a local input to or local output from a computer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
- H04N1/00236—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server using an image reading or reproducing device, e.g. a facsimile reader or printer, as a local input to or local output from a computer
- H04N1/00241—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server using an image reading or reproducing device, e.g. a facsimile reader or printer, as a local input to or local output from a computer using an image reading device as a local input to a computer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00352—Input means
- H04N1/00384—Key input means, e.g. buttons or keypads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00405—Output means
- H04N1/00477—Indicating status, e.g. of a job
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00405—Output means
- H04N1/0049—Output means providing a visual indication to the user, e.g. using a lamp
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00912—Arrangements for controlling a still picture apparatus or components thereof not otherwise provided for
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0013—Arrangements for the control of the connected apparatus by the still picture apparatus
Definitions
- This invention relates to an image reading system having an image reading apparatus for reading the image of a document and an information processing terminal for controlling the image reading apparatus.
- An image reading system conventionally has an image reading apparatus and an information processing terminal.
- the image reading apparatus is instructed to start the reading of an image by an operation performed at the information processing terminal.
- the reading apparatus is connected to a LAN and is shared by a plurality of information processing terminals, however, the reading apparatus and the information processing terminals would most likely be placed at physically remote locations and therefore it would be considered useful to provide means through which the command to start reading could be issued directly from the image reading apparatus itself.
- An object of the present invention is to solve the above-mentioned problem.
- Another object of the present invention is to provide a system in which an image read command for transfer of an image to an information processing terminal can be issued by operation of an image reading apparatus, at which time the information processing terminal is caused to manage the command information.
- Another object of the present invention is to provide a system in which processing contention can be prevented by reserving the reading of an image.
- Another object of the present invention is to provide a system in which the reading of an image can be carried out by exchange commands made to conform to the specifications of a general-purpose interface.
- FIG. 1 is a diagram showing the configuration of an image reading system according to an embodiment of the present invention
- FIG. 2 is a block diagram showing the internal construction of a scanner included in the system of FIG. 1;
- FIG. 3 is a diagram showing the arrangement of a control panel on the scanner shown in FIG. 2;
- FIG. 4 is a flowchart illustrating a control procedure executed when an information processing terminal in FIG. 1 controls the scanner.
- FIG. 5 is a schematic view showing the flow of data between the scanner and the information processing terminal.
- FIG. 1 is a diagram showing the configuration of an image reading system according to an embodiment of the present invention.
- the system includes an image reading apparatus (referred to as a "scanner” below) 101 having an interface for connection to an information processing terminal 102.
- the scanner 101 optically reads a document in the form of a sheet or book, converts the optical data to electrical image data and outputs the image data to the information processing terminal 102. It should be noted that the scanner 101 starts reading a document in response to a command from the information processing terminal 102 connected thereto. Further, the scanner 101 accepts a user-initiated command from a control panel, described later.
- FIG. 2 is a block diagram showing the internal construction of the scanner 101.
- the scanner includes a CPU 201 serving as a system controller for controlling the overall scanner 101 via a system bus 211.
- a ROM 202 stores the control program of the CPU 201, an operating system (OS) program, etc.
- a RAM 203 is constituted by e.g. an SRAM or the like and stores control program variables. Setting values registered by the operator and system management data are stored in the RAM 203, which functions also as various working buffers.
- An image memory 204 is constituted by e.g. a DRAM or the like and stores entered image data. According to this embodiment, each control program that has been stored in the ROM 202 controls software for scheduling and task switches and the like under the supervision of the OS stored in the ROM 202.
- a control panel 205 which is constituted by various keys, LEDs and an LCD, etc., allows an operator to make various entries and presents a display of the operating status of the image reading system.
- a reading controller 206 is constituted by e.g. a CS image sensor, a document transport mechanism, etc.
- the reading controller 206 reads the image of a document optically using the CS image sensor and converts the optical signal to electrical image data.
- the image data resulting from the conversion is subjected to various processing such as binarization and halftoning by an image processing controller 207.
- the result is high-definition image data.
- the converted image data is coded in accordance with a predetermined coding scheme via a coding/decoding controller 208 for reading purposes, and the coded data is stored in the image memory 204.
- An I/F controller 210 performs control for interfacing the information processing terminal 102, which is externally connected to the scanner 101.
- the I/F controller 210 corresponds to a parallel interface such as a bidirectional Centronics interface.
- a coding processor 209 for interfacing purposes performs the necessary decoding/coding processing, which depends upon the type of image data that has been stored in the image memory 204, and enters the image data into the information processing terminal 102.
- the information processing terminal 102 is a general-purpose personal computer and is equipped with an MPU, a hard disk, a keyboard and a display, etc.
- the information processing terminal 102 is capable of being connected to a LAN in addition to the scanner 101, and a plurality of client terminals on the LAN are capable of accepting image data, which enters from the scanner 101, via the intermediary of the information processing terminal 102.
- a remote operation from the information processing terminal 102 to the scanner 101 is carried out by transmitting predetermined command parameter data and the like to the scanner 101 via the I/F controller 210.
- the information processing terminal 102 and the scanner 101 perform an exchange of information using a protocol in line with IEEE 1284. Further, a special channel is not provided in accordance with the standard specifications of this protocol. In principle, therefore, the information processing terminal 102 takes the initiative in terms of communication with the scanner 101. Except in the case of a defined alert, the scanner 101 does not itself send a reply to the information processing terminal 102. In a case where the scanner 101 sends a reply back to the information processing terminal 102, it is necessary for a reply required flag to be set in a message from the information processing terminal 102.
- the information processing terminal 102 is capable of recognizing the status of the scanner 101 (e.g. the kind of operation performed at the control panel 205) from the status of the flag.
- application software and driver software for controlling the remote operation and the request for the remote operation is installed on the hard disk in the information processing terminal 102.
- FIG. 3 is a diagram showing the arrangement of the control panel 205 on the scanner 101.
- the control panel 205 has a key 301 for designating start of a document reading operation, a key 302 for reserving start of the document reading operation, an LED 303 which indicates whether the start of the document reading operation has been reserved or not, and a key 304 for designating density at the time of the document reading operation.
- the control panel 205 further includes has LEDs 305, 306, 307 which indicate the document reading density designated by the key 304. Whenever the key 304 is pressed, the LEDs light in the order of LED 305 ⁇ LED 306 ⁇ LED 307 ⁇ LED 305 . . . .
- a key 308 is for designating resolution at the time of the document reading operation, and LEDs 309, 310, 311 indicate the document reading resolution designated by the key 308. Whenever the key 308 is pressed, the LEDs light in the order of LED 309 ⁇ LED 310 ⁇ LED 311 ⁇ LED 309 . . . .
- the information processing terminal 102 is so notified.
- the lighting and extinguishment of the LED 303 can be controlled from the information processing terminal 102. Further, each key is operated by a manual operation performed by the operator.
- FIG. 4 is a flowchart illustrating a procedure through which the information processing terminal 102 of this embodiment controls the scanner 101.
- the flowchart indicates the flow of control executed by the MPU of the information processing terminal 102 based upon an application program installed in the hard disk under the control of the MPU.
- step S401 it is determined at step S401 in FIG. 4 whether the scanner is currently reading a document. If a document is currently being read, the operation of step S401 is repeated. If reading of a document is not in progress, then the program proceeds to step S402. Here it is determined whether notification of depression of the key 302 (the key which reserves the start of the document reading operation) has been given. If it is judged that the key 302 has been pressed, then the program proceeds to step S403; otherwise, the program proceeds to step S409.
- step S402. it is determined whether notification of depression of the key 302 (the key which reserves the start of the document reading operation) has been given. If it is judged that the key 302 has been pressed, then the program proceeds to step S403; otherwise, the program proceeds to step S409.
- step S404 at which it is determined whether notification of depression of key 301 has been given. If the key 301 (the key which designates the start of the document reading operation) has been pressed, the program proceeds to step S405. If the key 301 has not been pressed, then the processing of step S404 is repeated.
- step S405 It is determined at step S405 whether the document to be read has been set in the scanner 101.
- the program proceeds to step S406 if the document has been set and to step S408 if the document has not been set. More specifically, at step S406, an image reading module is called and the scanner 101 is instructed to start reading of the image of the document.
- the scanner 101 reads the image of the document and the image data so obtained is read out of the image memory 204, received via the I/F controller 210 and stored in a predetermined area of the hard disk of the information processing terminal 102.
- step S407 at which the scanner 101 is instructed to cancel the image reading reservation stored at step S403 and to extinguish the LED 303.
- step S408 the fact that a document to be read has not been set in the scanner 101 is displayed on a display unit of the information processing terminal 102 to so notify the user of the information processing terminal.
- step S402 If it is judged at step S402 that the key 302 is not being pressed, the program proceeds to step S409, at which it is determined whether the key 301 has been pressed. The program proceeds to step S405 if the key 301 has been pressed and to step S410 if the key 301 has not been pressed.
- step S410 It is determined at step S410 whether a command to start reading of an image has been accepted from the information processing terminal 102. If this command has been accepted, the program proceeds to step S405 and it is determined whether or not a document to be copied is present. If the command to start reading of an image has not been accepted, then the program returns to the beginning, namely to step S401.
- FIG. 5 is a schematic view showing the flow of data between the scanner 101 and information processing terminal 102.
- the scanner 101 and information processing terminal 102 send and receive information based upon IEEE 1284. Accordingly, the exchange of all information is carried out through a procedure in which the scanner 101 sends back a reply in response to a command issued by the information processing terminal 102.
- the information processing terminal 102 transmits a command inquiring about the operating status of the scanner 101 (501).
- the scanner 101 sends a signal indicative of the operating status (e.g. the information mentioned in step S401) back to the information processing terminal 102 (502). More specifically, in regard to the operating status, the scanner 101 writes the relevant information to a prescribed area of the image memory 204, and this information is verified by the information processing terminal 102.
- the information processing terminal 102 Upon verifying that there is notification data based upon the reply (502) from the scanner 101, the information processing terminal 102 prepares to accept further information from the scanner 101 by a notification data acceptance command (503).
- the information processing terminal 102 is notified (504) of operation of the keys 301 and 302.
- the scanner 101 accumulates predetermined data in the image memory 204 in order to notify the information processing terminal 102 of key operation.
- the information processing terminal 102 is capable of ascertaining that data has been accumulated in the image memory 204.
- the information processing terminal 102 again issues a command (503) for acceptance of data and thereby is capable of ascertaining that the keys have been pressed.
- the description is omitted here it is assumed that the verification operation of step S405, etc., is also carried out by command and response.
- the information processing terminal 102 calls an image reading module and causes the reading of a document to be performed (505) by a reading start command in accordance with the kind of setting made at the control panel 205 of the scanner 101.
- the information processing terminal 102 Upon receiving a normal response (506) from the scanner 101, the information processing terminal 102 issues a command (507) for the purpose of accepting image data obtained by reading of the document. Uploading (509) of the image data is started by a normal response (508) from the scanner 101.
- the image data is stored on the hard disk of the information processing terminal 102 in an area designated by the operator using the control panel 205. (It should be noted that an area for each user is prepared on the hard disk.)
- an image reading operation by the scanner 101 can be commanded from both the scanner 101 and the information processing terminal 102, and all of these commands are managed by the information processing terminal 102.
- a plurality of users can share the scanner 101 and it is possible to prevent contention among reading start commands from a plurality of terminals or the like.
- An arrangement may be adopted in which an operation for reading an image is performed solely by operating the control panel 205.
- manipulating the control panel 205 at such time is easier than performing an operation at the information processing terminal 102. Accordingly, by making it possible to designate initiation of an image reading operation solely from the control panel 205 and actually start operation based upon a command from the information processing terminal, contention among initiation commands can be prevented and processing on the side of the information processing terminal can be simplified.
- the kind of operation performed at the control panel 205 of the scanner 101 is stored in a predetermined area of the image memory 205, and the information processing terminal verifies the kind of operation.
- the information processing terminal can be notified of the status of scanner 101 even if a special channel is not provided in accordance with the specifications of the IEEE 1284 standard.
- the invention is described taking a single scanner as an example. However, this does not impose a limitation upon the invention, for it goes without saying that the invention can be applied to facsimile machines and copiers as well.
- control can be carried out in such a manner that the program will proceed to step S407 if notification of depression of the key 302 is given at step S404 in FIG. 4. This will make it possible to cancel the scanning reservation.
- step S404 in FIG. 4 by performing control in the foregoing embodiment in such a manner that time is counted at step S404 in FIG. 4 and the program proceeds to step S407 when a predetermined period of time expires, reservation of scanning can be canceled automatically in a case where scanning is left reserved and the start of scanning is commanded.
- an arrangement may be adopted in which the scanner 101 monitors the elapse of time from depression of the key 302 and notifies the information processing terminal 102 of the elapsed time. Meanwhile, control is exercised such that, at step S404 in FIG. 4, the time at which notification is given by the scanner 101 is monitored and, when a predetermined period of time has elapsed, the program proceeds to step S407. This also makes it possible to cancel reservation of scanning automatically in a case where scanning is left reserved and the start of scanning is not commanded despite passage of time.
- the scanner 101 can be provided with means for monitoring elapse of time from depression of the key 302 and means for notifying the information processing terminal 102 of cancellation of reservation of the reading operation, and control can be performed in such a manner that the program proceeds to step S407 if notification of cancellation of image reading reservation is given by the scanner 101 at step S404 in FIG. 4. This also makes it possible to cancel reservation of scanning automatically in a case where scanning is left reserved and the start of scanning is not commanded despite passage of time.
- the object of the present invention can also be achieved by providing a storage medium storing the program codes of the software for performing the aforesaid functions of the foregoing embodiment to a system or an apparatus, reading the program codes with a computer (e.g., a CPU or MPU) of the system or apparatus from the storage medium, and then executing the program.
- a computer e.g., a CPU or MPU
- the program codes read from the storage medium implement the novel functions of the invention, and the storage medium storing the program codes constitutes the invention.
- the storage medium such as a floppy disk, hard disk, optical disk, magneto-optical disk, CD-ROM, CD-R, magnetic tape, non-volatile type memory card or ROM can be used to provide the program codes.
- the present invention covers a case where an operating system (OS) or the like working on the computer performs a part of or the entire process in accordance with the designation of program codes and implements the functions according to the embodiment.
- OS operating system
- the present invention further covers a case where, after the program codes read from the storage medium are written in a function extension board inserted into the computer or in a memory provided in a function extension unit connected to the computer, a CPU or the like contained in the function extension board or function extension unit performs a part of or the entire process in accordance with the designation of program codes and implements the function of the above embodiments.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/654,034 US6606169B1 (en) | 1996-09-19 | 2000-09-01 | Image reading system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8-247966 | 1996-09-19 | ||
JP24796696 | 1996-09-19 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/654,034 Division US6606169B1 (en) | 1996-09-19 | 2000-09-01 | Image reading system |
Publications (1)
Publication Number | Publication Date |
---|---|
US6151138A true US6151138A (en) | 2000-11-21 |
Family
ID=17171210
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/932,702 Expired - Lifetime US6151138A (en) | 1996-09-19 | 1997-09-18 | Image reading system |
US09/654,034 Expired - Lifetime US6606169B1 (en) | 1996-09-19 | 2000-09-01 | Image reading system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/654,034 Expired - Lifetime US6606169B1 (en) | 1996-09-19 | 2000-09-01 | Image reading system |
Country Status (5)
Country | Link |
---|---|
US (2) | US6151138A (de) |
EP (1) | EP0831635B1 (de) |
DE (1) | DE69729922T2 (de) |
ES (1) | ES2224207T3 (de) |
HK (1) | HK1010295A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090316985A1 (en) * | 1998-06-24 | 2009-12-24 | Canon Kabushiki Kaisha | Image processing method and apparatus and storage medium |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW517479B (en) * | 2001-06-07 | 2003-01-11 | Mustek Systems Inc | Palm controller of wireless transmission and control method of wireless transmission |
KR100580173B1 (ko) * | 2003-07-15 | 2006-05-15 | 삼성전자주식회사 | 네트워크 스캐닝 방법 및 장치와 이를 위한 패킷 포맷 |
Citations (6)
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EP0532837A1 (de) * | 1991-08-19 | 1993-03-24 | Oki America, Inc. | Integriertes multifunktionelles Dokumentenverarbeitungssystem |
US5499108A (en) * | 1992-07-29 | 1996-03-12 | Visioneer Communications, Inc. | Document-driven scanning input device communicating with a computer |
US5517332A (en) * | 1993-10-25 | 1996-05-14 | Barry; Michael R. | Document scanner having one-piece housing for holding an image sensor, drive roller and document sensors in close alignment with each other |
US5532844A (en) * | 1993-07-30 | 1996-07-02 | Nisca Corporation | Image data transferring system and method |
US5623285A (en) * | 1992-02-13 | 1997-04-22 | Aharonson; Ophira R. | Method of and station for integrated typed data and optically scanned data capture for computer interfacing and the like |
EP0878951A1 (de) * | 1997-05-13 | 1998-11-18 | Primax Electronics Ltd | Personalcomputer basiertes Bildverarbeitungssystem, um die Bildverarbeitung durch eine Benutzerschnittstelle eines Scanners zu kontrollieren |
Family Cites Families (6)
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JPS6348046A (ja) | 1986-08-15 | 1988-02-29 | Canon Inc | 画像読取装置 |
JPH04119163A (ja) | 1990-09-07 | 1992-04-20 | Ashida Seisakusho:Kk | 靴下などピース物の染色方法 |
CA2088193C (en) | 1992-02-13 | 2006-06-13 | Dov Aharanson | Method of and station for integrated typed data and optically scanned data capture for computer interfacing and the like |
TW420781B (en) | 1994-05-31 | 2001-02-01 | Seagull Tech | Method of and station for integrated typed data and optically scanned data capture for computer interfacing and the like |
JPH08190519A (ja) | 1995-01-09 | 1996-07-23 | Canon Inc | 情報処理システム |
DE69631234D1 (de) * | 1995-10-04 | 2004-02-05 | Canon Kk | Abtasterservervorrichtung and -system |
-
1997
- 1997-09-16 EP EP97307234A patent/EP0831635B1/de not_active Expired - Lifetime
- 1997-09-16 ES ES97307234T patent/ES2224207T3/es not_active Expired - Lifetime
- 1997-09-16 DE DE69729922T patent/DE69729922T2/de not_active Expired - Lifetime
- 1997-09-18 US US08/932,702 patent/US6151138A/en not_active Expired - Lifetime
-
1998
- 1998-09-25 HK HK98110965A patent/HK1010295A1/xx not_active IP Right Cessation
-
2000
- 2000-09-01 US US09/654,034 patent/US6606169B1/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0532837A1 (de) * | 1991-08-19 | 1993-03-24 | Oki America, Inc. | Integriertes multifunktionelles Dokumentenverarbeitungssystem |
US5623285A (en) * | 1992-02-13 | 1997-04-22 | Aharonson; Ophira R. | Method of and station for integrated typed data and optically scanned data capture for computer interfacing and the like |
US5499108A (en) * | 1992-07-29 | 1996-03-12 | Visioneer Communications, Inc. | Document-driven scanning input device communicating with a computer |
US5499108C1 (en) * | 1992-07-29 | 2001-01-16 | Primax Electronics Ltd | Document-driven scanning input device communicating with a computer |
US5532844A (en) * | 1993-07-30 | 1996-07-02 | Nisca Corporation | Image data transferring system and method |
US5517332A (en) * | 1993-10-25 | 1996-05-14 | Barry; Michael R. | Document scanner having one-piece housing for holding an image sensor, drive roller and document sensors in close alignment with each other |
EP0878951A1 (de) * | 1997-05-13 | 1998-11-18 | Primax Electronics Ltd | Personalcomputer basiertes Bildverarbeitungssystem, um die Bildverarbeitung durch eine Benutzerschnittstelle eines Scanners zu kontrollieren |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090316985A1 (en) * | 1998-06-24 | 2009-12-24 | Canon Kabushiki Kaisha | Image processing method and apparatus and storage medium |
Also Published As
Publication number | Publication date |
---|---|
HK1010295A1 (en) | 1999-06-17 |
EP0831635A3 (de) | 1999-02-10 |
US6606169B1 (en) | 2003-08-12 |
EP0831635B1 (de) | 2004-07-21 |
ES2224207T3 (es) | 2005-03-01 |
DE69729922D1 (de) | 2004-08-26 |
EP0831635A2 (de) | 1998-03-25 |
DE69729922T2 (de) | 2005-08-25 |
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